20557392

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22541}}^1$

素因数の和:22571

約数の個数: 40

約数和(自身を含む): 55904160

約数和(自身を除く): 35346768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22541, 45082, 67623, 90164, 135246, 180328, 270492, 360656, 428279, 540984, 856558, 1081968, 1284837, 1713116, 2569674, 3426232, 5139348, 6852464, 10278696, 20557392]

約数ペア:

[(1, 20557392), (2, 10278696), (3, 6852464), (4, 5139348), (6, 3426232), (8, 2569674), (12, 1713116), (16, 1284837), (19, 1081968), (24, 856558), (38, 540984), (48, 428279), (57, 360656), (76, 270492), (114, 180328), (152, 135246), (228, 90164), (304, 67623), (456, 45082), (912, 22541)]